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The Trident missile is a submarine-launched ballistic missile (SLBM) equipped with multiple independently targetable reentry vehicles (MIRV). Originally developed by Lockheed Missiles and Space Corporation , the missile is armed with thermonuclear warheads and is launched from nuclear-powered ballistic missile submarines (SSBNs).
The UGM-133A Trident II, or Trident D5 is a submarine-launched ballistic missile (SLBM), built by Lockheed Martin Space in Sunnyvale, California, and deployed with the United States and Royal Navy. It was first deployed in March 1990, [ 6 ] and remains in service.
The American large SSBN was the Ohio class, also called the "Trident submarine", with the largest SSBN armament ever of 24 missiles, initially Trident I but built with much larger tubes for the Trident II (D-5) missile, which entered service in 1990. [26] [27] The entire class was converted to use Trident II by the early 2000s. Trident II ...
The missile was a three-stage, solid-fuelled system, capable of carrying up to eight W76 warheads in the Mark 4 RB. The first eight Ohio -class submarines were armed with Trident I missiles. Twelve James Madison - and Benjamin Franklin -class submarines were also retrofitted with Trident I missiles, which replaced older Poseidon missiles.
Trident missile launch at sea from a Royal Navy Vanguard-class ballistic missile submarine. The U.S. Navy currently has 18 Ohio-class submarines deployed, of which 14 are designated SSBNs and armed with 24 [citation needed] Trident II SLBMs each, for a total of 288 Trident II missiles equipped with 1,152 MIRV nuclear warheads.
Test launch of a Trident II missile. Trident II D-5 is a submarine-launched ballistic missile built by Lockheed Martin Space Systems in Sunnyvale, California, and deployed by the US Navy and the Royal Navy. [122] The British government contributed five per cent of its research and development costs under the modified Polaris Sales Agreement.
The UK has four nuclear-powered ballistic missile submarines, each of which is armed with American-built Trident 2 D5 missiles, according to the Royal Navy. The missiles can be fired at targets up ...
The Ohio class was designed in the 1970s to carry the concurrently designed Trident submarine-launched ballistic missile. The first eight Ohio-class submarines were armed at first with 24 Trident I C4 SLBMs. [6] Beginning with the ninth Trident submarine, Tennessee, the remaining boats were equipped with the larger, three-stage Trident II D5 ...